True HEPA Tower Air Purifier Buying Guide for Allergies
By Lasko: #1 Fan & Heater Brand in the USA | Fans, Heaters, Air | Published: 2026-10-20
Category: Buying Guides
Learn how to choose a true HEPA tower air purifier for allergies, with decision rules on filtration, features, and room size to fit your needs.
Quick Answer
For allergy relief, choose a true HEPA tower air purifier that matches your room size, offers adjustable speeds for nighttime comfort, and includes a timer for efficient operation.
Why True HEPA Matters for Allergies
True HEPA filtration captures 99.97% of airborne irritants, including allergens, smoke, odors, VOCs, pet dander, pollen, dust, and mold spores. This level of filtration is essential for reducing allergy triggers in your home.
Lasko's TotalProtect Filtration™ is designed to protect your home from The Invisible 8—the top airborne irritants common in most home environments. Understanding what your purifier filters helps you decide if it meets your allergy needs.
Room Size and Placement Considerations
Tower air purifiers are designed for small to medium rooms. Their slim profile makes them easy to place near seating areas or bedrooms, but they may not be sufficient for large open spaces.
For best results, position the purifier in the room where you spend the most time, such as the bedroom or living room. Keep it away from walls and furniture to ensure proper airflow.
Features That Improve Daily Use
Adjustable speeds let you balance air cleaning with noise levels. A higher speed can quickly clear the air, while a lower speed is quieter for nighttime use.
A timer helps you run the purifier only when needed, saving energy. Some models also include a Dream Mode for even quieter operation during sleep.
If you use smart home devices, consider a model with Alexa compatibility for voice control and easy scheduling.
How to Choose Your True HEPA Tower Air Purifier
- Check the filtration type: Look for 'True HEPA' to ensure 99.97% capture of airborne irritants. Avoid 'HEPA-like' or 'HEPA-type' filters, which may not meet the same standard. True HEPA is non-negotiable for allergy relief.
- Match the purifier to your room size: Tower purifiers are best for small to medium rooms. For larger spaces, you may need a more powerful unit or multiple purifiers. Measure your room before buying to ensure adequate coverage.
- Decide on speeds and timer: More speeds give you better control over noise and cleaning speed. A timer helps you run the purifier only when needed, saving energy. If you plan to run it all night, choose a model with a low-speed or quiet mode.
- Consider smart features: Alexa-enabled models allow voice control and integration with smart home routines, which can be convenient for scheduling. Smart features are optional—only choose them if you'll actually use them.
Lasko Tower Air Purifier Options
- Lasko 22" Tower Air Purifier: 4-Speed, True HEPA, Timer, Dream Mode: This model features True HEPA filtration capturing 99.97% of airborne irritants, including allergens, smoke, odors, VOCs, pet dander, pollen, dust, and mold spores, with 4 speeds and a timer. The 4 speeds give you flexibility to adjust cleaning power and noise, making it easier to run the purifier during the day or while you sleep.
Lasko 22" Tower Air Purifier: 4-Speed, True HEPA, Timer, Dream Mode - Lasko 22" Tower Air Purifier: 3-Speed, True HEPA, Timer: This model also uses True HEPA filtration for 99.97% capture of airborne irritants, with 3 speeds and a timer. With 3 speeds, this is a straightforward choice if you want essential allergy filtration without extra features.
Lasko 22" Tower Air Purifier: 3-Speed, True HEPA, Timer
Who Should Choose Which
Best for
- People with allergies who want reliable True HEPA filtration and adjustable speeds for different times of day
- Those who want a simple, effective purifier with a timer for energy-efficient operation
Not for
- Large open-plan areas that require higher CADR or multiple units
- Users who need smart home integration without checking if the model supports it
